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July, 1910 charge, should be established with branch offices conveniently located to the works under construction. The branch offices should be in charge of junior officers. A board consisting of the senior and the more experienced of the junior officers should consider and act on all plans for new work, and for the conduct of all work on the river. The senior officer should be re- lieved from all routine office work, so that he may devote his time to the more important executive and engi- neering work. To this end there should be a junior officer as secretary and disbursing officer. A central office would reduce the number of clerks, draftsmen, and jun- ior engineers required; it would per- mit the employment of capable engi- neers, mechanical engineers and draftsmen, and architects, the service of such men being badly needed; and it would insure uniformity in plans, specifications, and methods of con- struction. It would simplify the ac- counting both in Washington and in the district; it would reduce the amount of plant necessary; it would reduce the clerical work required in procuring land for lock sites; and it would reduce the expense necessary in procuring supplies, plant, material, etc. Furthermore, it would place this work on a business basis, which is ab- solutely necessary if tangible results are to be obtained. THE TURBINE YACHT WIN- "3, -CHESTER, 4 The Tia steam yacht Winchester, which has been built by Messrs. Yar- tow & Co.; of Glasgow; for P: W. Rouss, and is for his use on the Great Lakes, left Queenstown in tow on her Passage across the Atlantic at the end of May. The estimated speed of the Winches- ter was 26 knots, but the mean speed obtained on a two hours' trial was 26.7 knots. The dimensions of the vessel are: Length, 165 ft.; beam, 15 ft. 6 in. She is built on torpedo lines. The pro- Pellg machinery consists of three tur- bines of Parsons 'type, constructed by Messrs. Yarrow & Co. her builders, with three shafts, one propeller on each shaft. The port shaft is actuated by a high-pressure turbine, the center shaft by a low pressure turbine in which is corporated an astern turbine, and the Starboard shaft by a middle-pressure turbine. Steam to the turbines is sup- Plied by two Yarrow water-tube boilers, Sonstructed for burning oil fuel exclus- Wely. The accommodation for the own- *t, which is below deck abaft the ma-. chi é : hinery space, and is very commodious "TAE Marine Review and handsomely decorated, consists of a double stateroom, two single state- rooms, drawing room, bath room, an] toilet rooms. There is a teak deck- house forward, 25 ft. long, containing 273 400 miles was possible on. Scotch shale oil fuel. At 2:30, on Tuesday, April 26, the Bolinders VII started on what turned out to be a very rough cruise. By midnight, Carnsore Point had been - TURBINE YACHT WINCHESTER. dining room, captain's cabin and pantry. The quarters for the officers and crew and the galley are below the main deck 'forward. The vessel has a complete electric light installation, and is heated by steam. MOTORS ON THE HIGH SEAS. Every day the possibilities of the oil motor for work on the high seas_be- come more apparent, while the utility and reliability of the internal combus- tion motor for propelling seagoing ships have been placed beyond doubt. In this connection the cruise of Bolinders VII, round the coast of the British Isles has provided a very practical demonstration of the high level of efficiency attained by modern marine oil engines. The cruise was also made the occasion for an exhaustive trial of crude oil as motive power. . Bolinders VII is 60 ft. long by 19 ft. by 9 ft. and is fitted with a SO° BEL P. Bolinders direct reversible crude oil en- gine. She started her cruise at the beginning of December, and had to brave the winter storms and weather. After touring the English and Bristol chan- nels and the Irish coast, a trip was arranged from Queenstown to London- derry. The Bolinders VII had previ- ously made non-stop runs, on Russian petroleum, of such distances as 300, 500, 600, and 700 miles. The trip from Queenstown to Lon- donderry was undertaken for the pur- pose of showing that a non-stop run of brought abeam, but, with a strong north- easterly wind springing up, progress was found to be laborious. The governor, however, fulfilled its purpose admirably by keeping the number of revolutions the same, whether the propeller was in or out of the water. At daybreak on Wednesday, the crew caught a glimpse of Wicklow, and by mid-day, Bolinders VII was well out at sea off' Dublin, the Irish port at which she had caused such a sensation by her maneuvering powers. Stealy progress was made from. this time. onward until Rathlin' Island was reached, when a full hurricane was met, with the result that the last 40 miles of the trip were made under the worst ,possible conditions. Eventually Bolinders VII arrived at her moorings at London- derry, where the crew took a real well- earned rest. To ascertain the condition of the cyl- inders after this exhaustive trial, the covers were removed, and the deposit was found to be so slight as to be hardly worthy of mention. The distance of 400 miles was accomplished in 47 hours, and during the voyage, 160 gals. of Scotch shale fuel oil at 5 cents per gal. were used, giving 2.5 miles to the gallon. The cost of propulsion, there- fore, works out at 2 cents a mile. With- out doubt the time is not far distant when the crude oil engine will be a formidable opponent of the steam en- gine, on account of the fact that it re quires less skilled attention, and allows. a larger space to be devoted to carrying cargo.